20,27,34
The common difference is 7
Answer:
m+2e=330
3m+1e=515
use simultaneous formula to get
m=37
e=146.5
The land bridge (Bering strait) and the crossing from Canada
Answer:
A.
{7}
Step-by-step explanation:
hello
sqrt(56-7) =sqrt(49)=7
Answer:
x squared plus two times x minus one = zero.
Step-by-step explanation:
(This is a Quadratic equation in the variable x).
